ISO Carbon Steel Rectangular A3 Q345 Black Hollow Section
Rectangle Steel Tube is a welded structural grade tubing that is available in either type A513 or A500 Grade B, depending on its size and wall thickness. Either grade is ideal for all structural applications, general fabrication, manufacturing and repairs. Steel Rectangle Tube is widely used in industrial maintenance, agricultural implements, transportation equipment, truck beds, trailers, frames, etc. It's box-shape configuration allows for much greater strength and rigidity compared to angles or channels. This steel shape is easy to weld, cut, form and machine with the proper equipment and knowledge.
- Stainless steel pipes can resist harsh weather elements that include corrosion, and welders use stainless pipes more than any other material available in the industry. Corrosion-resistant piping is the same as 304 grade, but it has very lesser mechanical properties. It can benefit valves, chemical equipment, pumps, and marine machinery while pitting and corrosion resistance are superior to 304. It is resilient at high temperatures, and however, any metal object made of square or rectangular materials that require bending gets bend easily.
- Carbon steel is again ordinarily used in functional applications such as automobiles, road construction, commercial or residential buildings, and the appliance industries. You can even avoid the toxic precipitation when you are welding with low carbon.
- Hot rolled rectangular steel tubes are again excellent in various applications that include architectural, repairs, and fabricating. Its four-sided layout provides protection, strength, and firmness over other hot-rolled steel shapes. Again, a hot rolled steel tube is simple to hack or weld, but its design is only magnified with the use of curved tubing.
| Square and Rectangular Hollow Section Welded Steel Pipe | Size Range | DIAMETER: 20x20MM-600x600MM ; THICKNESS: 1.0MM--20.0MM | | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 Q355 = S355JR / A500 Grade B Grade C | | ASTM A500, EN10219, EN10210, JIS G3466 GB/T6728 | | 1) Natural Black 2) Oiled 3) Color Painted 4) Galvanized (zinc coating 30-500g/m2) | |


FAQ
Q:Can you send samples?
A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q:What are the shipping ports?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Q:What are the certifications for your products?
A:We have ISO 9001, SGS, EWC and other certifications.
Q:How long does your delivery time take?
A:In general, our delivery time is within 30-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory. However, some of the plants are not open to the public.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.
Q:How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q:What is your working time?
A:In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.